Head to head
Anthbot M9 vs Sunseeker X3 Plus
Price, coverage, slope, navigation, and drive for Anthbot M9 and Sunseeker X3 Plus, side by side and cited.
- Store prices · checked 6 h agoVerified · checked 6 wk ago
2compared
1,200 m² (0.3 acre)largest lawn
Anthbot M9 (Anthbot M9)·Sunseeker X3 Plus (X3 Plus)
Your lawn
Set your lawn to see which of these fits it.
Drive
2-wheel drive
2-wheel drive
Obstacle avoidance
Navigation
Wire-free. Full-band RTK from the included reference station, or network RTK over its built-in 4G where coverage exists, with two 150° AI cameras for obstacles. Rear-wheel drive.
Wire-free. AONavi = RTK-GNSS plus VSLAM camera vision, no perimeter wire.
Cutting
20 cm (7.9 in) cut, 30 to 70 mm (1.2 to 2.8 in) height, about 58 dB
20.3 cm (8.0 in) cut, 40 to 80 mm (1.6 to 3.1 in) height, about 55 dB
Rain
Rain sensor sends it home, and its schedule follows the weather forecast (IPX6)
Rain sensor: stops and returns to base in bad weather
Anti-theft
GPS tracking, out-of-boundary alarm and Find My over 4G
Built-in GPS theft protection and geofencing (alerts if it leaves its zone)
Connectivity
Wi-Fi, Bluetooth and built-in 4G (3 months free, then a yearly plan)
WiFi, Bluetooth; 4G optional (add-on module)
Released
2026
2024
A check marks the lower price, the higher score, the larger coverage, and the steeper slope. Our pick below is derived from those same specs; the right choice still depends on your lawn, your budget, and how you'll use it.
Our pick
Which to buy
Best buyAnthbot M9
For most lawns, the Anthbot M9 is the better buy at $699: it covers up to 1,000 m² (0.25 acre), about $300 less than the Sunseeker X3 Plus. Step up to the Sunseeker X3 Plus only if your lawn is larger than 1,000 m² (0.25 acre).
From $699The bottom line
What actually differs
- Anthbot M9 has the lower price ($699).
- Sunseeker X3 Plus covers the most lawn (1,200 m² (0.3 acre)).
- Anthbot M9 handles the steepest slopes (up to 45%).
Go deeper
Open the full record
BestRobotMower.co is an independent informational comparison site, not a manufacturer or a retailer. Specifications and prices are curated from public sources and can change or be incomplete. Always confirm the current spec, price, and availability with the manufacturer or seller before buying. Coverage and slope figures are rated maximums on an open lawn; real performance depends on your yard.